ZIP Code 06457

06457 is one of Connecticut's ZIP codes, delivering to addresses in Middletown, Lower Connecticut River Valley Planning Region.

City: Middletown
Planning region: Lower Connecticut River Valley Planning Region
State: Connecticut
Prefix: 064xx

Where this code sits

06457 is part of the 064xx range, the group of codes handled by one mail processing centre. Middletown is served by 2 ZIP codes in total; the full list, with the planning region each falls in, is on the Middletown page.

Middletown Connecticut ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 06457 delivers to without sharing its boundary.

ZIP codes nearest 06457

The ZIP codes whose reference points sit closest to 06457.
ZIP code	Distance	Delivers to
ZIP code 06459	0.4 mi	Middletown, CT
ZIP code 06481	2.4 mi	Rockfall, CT
ZIP code 06480	3.3 mi	Portland, CT
ZIP code 06416	3.7 mi	Cromwell, CT
ZIP code 06455	3.9 mi	Middlefield, CT
ZIP code 06023	4.8 mi	East Berlin, CT
ZIP code 06414	5.6 mi	Cobalt, CT
ZIP code 06456	6.0 mi	Middle Haddam, CT

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 06457, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 06457. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.